Bump Microsoft.AspNetCore.All in /example/WebApplication

Bumps [Microsoft.AspNetCore.All](https://github.com/aspnet/Universe) from 2.0.0 to 2.0.9.
- [Release notes](https://github.com/aspnet/Universe/releases)
- [Changelog](https://github.com/aspnet/Universe/blob/master/docs/CrossRepoBreakingChanges.md)
- [Commits](aspnet/Universe@2.0.0...2.0.9)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

example/WebApplication/WebApplication.csproj

@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.0.0" />
+    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.0.9" />
   </ItemGroup>
 
    <ItemGroup>